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精密钢管尺寸公差 |
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发布者:www.xhwfggw.com 发布时间:2013/7/17 阅读:4696次 【字体:大 中 小】 |
精密钢管尺寸公差
尺寸公差(壁厚偏差±5%) |
内径尺寸 |
H8 |
H9 |
H10 |
30 |
+0.033
0 |
+0.052
0 |
+0.084
0 |
>30-50 |
+0.039
0 |
+0.062
0 |
+0.100
0 |
>50-80 |
+0.046
0 |
+0.074
0 |
+0.120
0 |
>80-120 |
+0.054
0 |
+0.087
0 |
+0.140
0 |
>120-180 |
+0.063
0 |
+0.100
0 |
+0.160
0 |
>180-250 |
+0.072
0 |
+0.115
0 |
+0.185
0 |
>250-315 |
+0.081
0 |
+0.130
0 |
+0.210
0 |
>315-400 |
+0.089
0 |
+0.140
0 |
+0.230
0 |
按GB/T3639冷拔精密无缝钢管的标准:外径4-30的公差为±0.08
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